code: def test_read_out_dtype_fail(self):
      with rasterio.open("tests/data/RGB.byte.tif") as s:
          a = np.zeros((718, 791), dtype=rasterio.float32)
          s.read(1, a)
  
imports: from hashlib import md5
  import unittest
  import numpy
  import pytest
  import rasterio
  from rasterio.errors import DatasetIOShapeError
label_desc: Use image node_id 6 for calling the ReaderContextTest obj's underlying member method code with example usage: obj.test_read_out_dtype_fail() without return types